Since 1983 we've provided nearly a million square feet of space for a variety of applications

Celebrating over 36 years in business!


Construction projects large and small often require office, meeting and storage space to properly manage and deliver a successful project.  MBC has provided quick, affordable space to large general contractors all the way down to small independent contractors. 

Mobile office applications in the construction industry

  • Administration Offices
  • Meeting Space
  • Project Management Offices
  • Project Owners Offices
  • Inspectors offices
  • Conference Rooms
  • Safety and Training Spaces

With a full line of mobile office trailers, conference modular, portable restrooms, MBC is sure to have the space you need on time and on budget.

Why select Modular Building Concepts for your next construction trailer?

  • Construction knowledge
    With nearly 30 years of experience in the construction industry we know your challenges (and your customer’s challenges). We work with limited budgets, difficult deadlines, and demanding delivery schedules every day. Let MBC solve your trailer problems.
  • “Up front” pricing
    Our proposals clearly show itemized costs with a total price. No surprises, no gimmicks.
  • Competitive rates
    We shop the competition so you don’t have too. Our prices are reasonable, fair and competitive.
  • Flexible floor plans 
    With demountablepartitions we can provide virtually any layout you need.
  • Large inventory
    We stock a variety of sizes from 8’x20’ to 36’x60’.
  • Service
    We are a family owned business built on 29 years of satisfying customers, one at a time. Our A+ rating with the Better Business Bureau proves it.
  • Quick delivery
    Delivery in as little as 24-48 hours
  • High security
    Heavy duty dead bolts, window bars and door “latch guards protect against vandalism.
  • Flexible finance terms
    Short term rental, long term lease, lease to own and outright purchase gives you the flexibility to select a plan the best suits your needs.
  • “One stop shop”
    We can provide it all. Furniture, plan tables, handicap ramps, chemical toilets, skirting, seismic tie downs and storage containers to name a few. 


Modular Building Concepts, Inc. has provided numerous federal, state and local government agencies with temporary and permanent modular buildings since 1983. We understand the need for quick, cost effective and trouble free space. Many agencies have found modular buildings to be the perfect solution. Available for rent, lease or purchase we can have you up and running in no time. Our familiarity with government procurement, safety requirements, approval processes and construction standards has established MBC as the premier provider of modular buildings in the government market place. From a small guard house to a complete administrative complex, MBC has done it all. 

A few of the many modular building applications

  • Administration offices
  • Classrooms
  • Meeting space
  • Shower and restroom facilities
  • Training facilities
  • Storage
  • In plant offices
  • Laundry facilities
  • Guard houses
  • Testing facilities
  • Correctional facilities
  • Laboratories
  • Military housing
  • Seasonal/permanent staff housing
  • Conference rooms
  • Manufactured homes

Religious Organizations

Modular buildings in all shapes, configurations and sizes are used by religious organizations to add more space to existing facilities or as new facilities. Modular construction has been a preferred source for religious organizations because of the quick construction timeframe and affordability.

MBC has a full line of temporary modular buildings perfect for a renovation or new modular buildings as permanent structures. Contact an MBC project manager for leasing options or ideas on designs and styles of new custom ordered modular buildings for your space needs today.

Modular building applications for religious organizations

  • Administration Offices
  • Multipurpose Spaces
  • Fellowship Halls
  • Churches
  • Synagogues
  • Congregation Rooms
  • Assembly Halls
  • Daycare Facilities
  • Worship Centers
  • Youth Centers
  • Classrooms
  • Activity/Prayer Centers


Flexible, reliable and functional space is on the rise in the healthcare industry. From simple administration offices to complex and sophisticated laboratory or medical facilities, MBC has the understanding to complete any type of temporary or permanent modular construction project.

Modular building applications in the healthcare industry

  • Clinics
  • Administration Offices
  • Laboratories
  • Facilities Department Offices
  • Rehabilitation Facilities
  • Conference Rooms
  • Hospitals
  • Swing space


Modular structures have been utilized for many years as quick and affordable classrooms and daycare facilities.  Education professionals across the country have seen the benefits of factory built buildings for both temporary and permanent applications. From a simple 24’x40’ relocatable classroom to a complete modular school, MBC has the answer to your space needs. We offer a complete line of modular classrooms as well as other types of facilities to meet strict budgets and time frames.

School districts, private schools, charter schools, religious groups and head start facilities have all turned to modular construction as a safe and quick, flexible space to deliver superior education to their students.

Modular uses

  • Classrooms
  • Restrooms
  • Conference rooms
  • Administration lounges
  • Daycare facilities
  • Libraries
  • Science and computer laboratories
  • Work out rooms

Current Models


contact mbc

P 858.679.1185
F 858.679.6804


The commercial industry has repeatedly turned to modular construction because of the affordability, quick construction timeframe and sustainable construction standards adopted by the modular building industry. MBC’s experienced and creative design team can help you create your unique modular space. Whether temporary, permanent or a hybrid of the two, Modular Building Concepts is here to meet your space needs.

Modular building applications in the commercial industry

  • Sales Centers
  • Retail Space
  • Headquarter or Branch Offices
  • Restaurants
  • Flex Space
  • Showrooms
  • Auto Dealerships
  • Pro Shops
  • Office Space
  • Bank and Credit Unions


The industrial industry is always looking to gain greater space flexibility to meet the needs of their customers. With a quick turn-around time, modular construction will quickly provide you indoor or outdoor space with minimal disruption. Our structures are completely finished at the factory, delivered fully assembled and ready for immediate use. All units can be customized to meet even the strictest requirements.

Modular building applications in the industrial industry

  • In-Plant Offices
  • Administration Offices
  • Modular Break Rooms
  • Modular Storage Buildings
  • Warehouse/Production Offices
  • Lunch/Break or Restrooms
  • Guard Houses

Non-Profit Organizations

Modular buildings and other modular products are commonly used by all type of non-profit organizations. With tight budgets and limited space, non-profit organizations are turning to MBC for all their administration, clinic, classroom and general offices requirements.

Modular building applications for non-profit organizations

  • Classrooms
  • Clinics
  • Daycare/Head Start facilities
  • Administration lounges
  • Daycare facilities
  • Libraries
  • Science and computer laboratories
  • Work out rooms

Tribal Governments

Modular buildings and other modular types of construction are popular products for tribes across the state of California. From modular offices to manufactured homes and healthcare clinics, MBC has the product you need. We have sold over 15 thousand square feet to multiple different tribes since our inception in 1983. We understand your needs and with the help from our construction/project team, we are sure to deliver.

Modular building applications for tribal use

  • Office space
  • Clinics
  • Daycare facilities
  • Conference space
  • Dormitory
  • Residences
  • Classrooms

Energy / Utilities

Energy and utility companies seem to always be rebuilding infrastructure or constructing new facilities. The right decision for your construction, storage, office space and housing needs is Modular Building Concepts, Inc.  We provide temporary or permanent modular space that is delivered quickly and set-up to meet the rigorous demands of an ever changing construction climate. Whether you are looking to set-up a facility in a remote location or require swing space in an urban environment, MBC has the right type of modular building for your needs.

Modular building applications for the energy and utility industry

  • General Offices
  • Workforce Housing/ Man Camps
  • Break Rooms
  • Modular Storage Buildings
  • Lunch Rooms
  • Restrooms
  • Guard Houses
  • Equipment Storage
  • Specialty buildings (laundry and shower facilities, etc.)
  • Conference Rooms

Commercial Developers

Since 1983, Modular Building Concepts Inc has partnered with developers, contractors and owners to provide temporary or permanent modular structures for a variety of uses and applications. Gone are the days of poorly built and ungainly looking trailers being called “modulars”.  We now have prefabricated modular buildings using state of the art technology in a factory setting that rival most site built buildings…all at considerable savings in time and cost. Factory built construction typically results in a 25-40% reduction in overall costs while construction time can be cut by as much as 50%.

With site applied interior and exterior finishes coupled with a variety of architectural embellishments your building will look and function as if it were site built. We are able to meet even the strictest codes and design criteria using pre-fabricated and pre-engineered components.  Many owners, designers and architects are seeing the benefits of modular construction as they gain acceptance worldwide.

Modular building applications for commercial developers

  • Health care facilities
  • Public and private schools
  • Government offices
  • Military facilities
  • Retail establishments
  • Financial institutions
  • Administrative offices

Residential Developers

More and more developers are turning to mobile sales offices to accommodate their on-site sales staff. Rather than go to the expense and time of retrofitting a garage for your sales personnel why not rent, lease or purchase one of our well appointed “Executive Series” sales offices? Select one of Modular Building Concepts standard models from their vast inventory and you can be up and running within a week. And there are no compromises with our Executive Series. The interior is complete with central air conditioning and heating, 8’ suspended ceiling, fluorescent lighting, ADA approved restroom, built in wet bar, upgraded carpeting, attractive wall coverings, French doors and built in storage closet for your sales literature. The exterior includes a recessed entry with French door, upgraded Mansard roof line, attractive color scheme and operable sliding windows. Various floor plans are available ranging in size from 480 square feet to 960 square feet. As an option, we can also custom build a sales office to accommodate your specific floor plan, finishes and architectural requirements.

"Executive Series" applications include

  • General offices
  • Reception area
  • Break Rooms
  • Conference/meeting rooms
  • Display area for floor plans and Topo map,
  • Showcase for architectural renderings, color boards

Current Models


contact mbc

P 858.679.1185
F 858.679.6804

Auto / RV Dealers

Modular Building Concepts, Inc. provides space solutions from standard mobile offices to large multi-wide building complexes. Modular construction is perfect for dealerships because of the speed of construction and variety of available floor plans. Plus if a ground lease expires or some other factor forces you to a new location, modular buildings can be relocated to a new site! This allows our automobile and recreational vehicle dealership customers to focus on growing their business while minimizing capital expenditures.

Modular building applications for automobile and RV dealerships

  • Sales Offices
  • Display areas
  • Product Showcases
  • Service/Warranty Offices


Many companies in the agricultural community are turning to mobile and modular buildings as a quick and cost effective means of obtaining space. Whether you are expanding your business, hiring temporary help or simply want to upgrade your current facilities you owe it to yourself to consider the many benefits of prefabricated, factory built construction. Since 1983, we have provided office space, lunch rooms, restrooms, conference rooms and even living quarters for commercial nurseries, tree farms, vegetable growers, ornamental growers…and many others. Our structures can be custom built to any size and delivered in a matter of weeks. Or, choose from any of our “in stock” units for delivery within a few days. For seasonal needs, we have short term rental units ranging in size from 160 square feet to 2160 square foot. When you need additional space call the experts at Modular Building Concepts Inc.

Modular building applications in the agricultural industry

  • General Offices
  • Employee living quarters
  • Break rooms
  • Display area
  • Restrooms and Showers Facilities
  • Classrooms
  • Dispatch/shipping/receiving